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Diffstat (limited to 'sys/net/if_ethersubr.c')
-rw-r--r--sys/net/if_ethersubr.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index 542fa2b5dcc..ba1ffbd9d7c 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_ethersubr.c,v 1.236 2016/05/18 20:15:14 mpi Exp $ */
+/* $OpenBSD: if_ethersubr.c,v 1.237 2016/05/31 07:48:19 mpi Exp $ */
/* $NetBSD: if_ethersubr.c,v 1.19 1996/05/07 02:40:30 thorpej Exp $ */
/*
@@ -193,8 +193,12 @@ ether_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst,
struct mbuf *mcopy = NULL;
struct ether_header *eh;
struct arpcom *ac = (struct arpcom *)ifp;
+ sa_family_t af = dst->sa_family;
int error = 0;
+ KASSERT(rt != NULL || ISSET(m->m_flags, M_MCAST|M_BCAST) ||
+ af == AF_UNSPEC || af == pseudo_AF_HDRCMPLT);
+
#ifdef DIAGNOSTIC
if (ifp->if_rdomain != rtable_l2(m->m_pkthdr.ph_rtableid)) {
printf("%s: trying to send packet on wrong domain. "
@@ -208,7 +212,7 @@ ether_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst,
if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
senderr(ENETDOWN);
- switch (dst->sa_family) {
+ switch (af) {
case AF_INET:
error = arpresolve(ifp, rt, m, dst, edst);
if (error)